The competition for best transit app is relentless. A few weeks ago, we told you about an update to RocketMan, which overhauled its interface for iOS 7 and added a number of great new features. Today, Montreal-based Transit App has done the same, releasing version 3.0 of its popular route-picking iPhone app. Along with a brand new interface that makes it much easier to get around, signage within Transit App is much easier to decipher.